Revision 603fccce target-ppc/op_helper.h
| b/target-ppc/op_helper.h | ||
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| 75 | 75 |
void do_subfe (void); |
| 76 | 76 |
void do_subfmeo (void); |
| 77 | 77 |
void do_subfzeo (void); |
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void do_cntlzw (void); |
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#if defined(TARGET_PPC64) |
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void do_cntlzd (void); |
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#endif |
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| 78 | 82 |
void do_sraw (void); |
| 79 | 83 |
#if defined(TARGET_PPC64) |
| 80 | 84 |
void do_adde_64 (void); |
| ... | ... | |
| 285 | 289 |
void do_evfsctuiz (void); |
| 286 | 290 |
#endif /* defined(TARGET_PPCEMB) */ |
| 287 | 291 |
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/* Inlined helpers: used in micro-operation as well as helpers */ |
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/* Generic fixed-point helpers */ |
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static always_inline int _do_cntlzw (uint32_t val) |
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{
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int cnt = 0; |
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if (!(val & 0xFFFF0000UL)) {
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cnt += 16; |
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val <<= 16; |
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} |
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if (!(val & 0xFF000000UL)) {
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cnt += 8; |
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val <<= 8; |
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} |
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if (!(val & 0xF0000000UL)) {
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cnt += 4; |
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val <<= 4; |
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} |
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if (!(val & 0xC0000000UL)) {
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cnt += 2; |
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val <<= 2; |
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} |
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if (!(val & 0x80000000UL)) {
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cnt++; |
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val <<= 1; |
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} |
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if (!(val & 0x80000000UL)) {
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cnt++; |
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} |
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return cnt; |
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} |
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static always_inline int _do_cntlzd (uint64_t val) |
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{
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int cnt = 0; |
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#if HOST_LONG_BITS == 64 |
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if (!(val & 0xFFFFFFFF00000000ULL)) {
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cnt += 32; |
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val <<= 32; |
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} |
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if (!(val & 0xFFFF000000000000ULL)) {
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cnt += 16; |
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val <<= 16; |
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} |
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if (!(val & 0xFF00000000000000ULL)) {
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cnt += 8; |
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val <<= 8; |
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} |
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if (!(val & 0xF000000000000000ULL)) {
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cnt += 4; |
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val <<= 4; |
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} |
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if (!(val & 0xC000000000000000ULL)) {
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cnt += 2; |
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val <<= 2; |
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} |
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if (!(val & 0x8000000000000000ULL)) {
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cnt++; |
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val <<= 1; |
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} |
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if (!(val & 0x8000000000000000ULL)) {
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cnt++; |
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} |
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#else |
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/* Make it easier on 32 bits host machines */ |
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if (!(val >> 32)) |
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cnt = _do_cntlzw(val) + 32; |
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else |
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cnt = _do_cntlzw(val >> 32); |
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#endif |
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return cnt; |
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} |
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| 360 | 292 |
#if defined(TARGET_PPCEMB) |
| 361 | 293 |
/* SPE extension */ |
| 362 | 294 |
/* Single precision floating-point helpers */ |
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